Ash (Fraxinus pennsylvanica)
A hardy native, the Ash is a cold, drought and alkali tolerant
medium to large tree. Ash grows to 30-40 feet in height. It is hardy to zone 1. Diecious,
this tree has both male and female varieties. Since the onset of Dutch elm disease, Green
Ash has been over-planted in urban and conservation settings as a replacement for the
Foliage is dark green, with
leaves that are 10-12 inches long, and divided into 5-9 leaflets that are each 4 to 6
inches in length. Foliage can be damaged by the Ash
leaf-curl aphid and the Brown-headed Ash sawfly.
is a bright
Seeds (on the female tree) are wind-borne
and can be messy.
ash-gray to brownish on older branches and furrowed into close diamond-shaped areas
separated by narrow interlacing ridges.